Table 5: Percent changes in the Passenger Transportation Services Index from Year-to-Year,, "May Passenger TSI (1996 = 100) ",, ,Passenger TSI,Percent change from previous year 1996,99.7,6.0 1997,103.3,3.6 1998,107.4,4.0 1999,110.3,2.7 2000,119.3,8.1 2001,118.6,-0.5 2002,111.7,-5.9 2003,108.5,-2.8 2004,120.6,11.1 SOURCE: Bureau of Transportation Statistics,,